At 100x, you will see a cell that is larger and has a dark shape in it. This cell doesn't look like the others because it is a white blood cell and it functions to protect your body against microbes. Red blood cells do not have a nucleus. White blood cell count is used as a diagnostic tool to determine if someone is sick. If you were fighting an infection, would you expect to have more or less WBC's? Why?

When fighting an infection, more of white blood cells will be expected because they help the body fight against infections.

White blood cells also called leucocyte functions mainly in the body to fight against infections. This means that the deficiency of white blood cells which may be caused by diseases and cancerous cell treatment or vitamin deficiency in the body may result in a person being vulnerable to infection.

Therefore, if an individual is fighting an infection, more white blood cells will be expected as it's function is to fight against infection.

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Explanation:

If we were fighting an infection, I would expect to have more WBC because it fight against diseases